Method for preparing nano platinum black by using low-water-solubility platinum compound

The invention discloses a method for preparing nano platinum black by using a low-water-solubility platinum compound, which comprises the following steps: preparing nano platinum black by using the low-water-solubility platinum compound, carrying out ball milling on the low-water-solubility platinum compound and a water-soluble protective agent together, then adding a reducing agent under a stirring condition for reduction, and finally washing and filtering for multiple times by using deionized water and absolute ethyl alcohol to obtain the nano platinum black. And performing vacuum drying to obtain the nano platinum black. The method disclosed by the invention has the characteristics of no need of heat treatment, wide application range of raw materials, simplicity and convenience in operation and the like; and the prepared nano platinum black is high in purity, small in particle size (2-8nm), high in dispersity and large in specific surface area (30-40m < 2 >/g). 本发明公开了一种用低水溶性铂化合物制备纳米铂黑的方法，包括：采用低水溶性铂化合物用于制备纳